Unit 4: Plants and Structure

What is the purpose of stems in plants?

• absorb nutrients and water like a sponge

• allow fertilization so the plant can reproduce

• absorb sunlight

• allow movement of water, nutrients, ans sugars across a distance

A human's skin is most like which part of an oak tree?

• roots

• leaves

• bark

• branches

Evergreen trees produce pine cones. What job do pine cones serve in the life cycle of the tree?

• takes in water

• take in sunlight

• makes flowers

• makes the seeds

Tags

NGSS.MS-LS4-4

What part of flowering plants help it reproduce?

• leaf

• seed

• flower

• stem

Tags

NGSS.4-LS1-1

Select all the ways seeds are dispersed.

• flooding/water

• wind

• heat

• animals

• gravity

What is the life cycles of both flowering and nonflowering plants?

• fertilization, pollination, seed, seed dispersal

• seed, pollination, seed dispersal, fertilization

• pollination, seed, seed dispersal, fertilization

• pollination, fertilization, seed, seed dispersal

What role do butterflies, bees, and hummingbirds play in the life cycle of plant?

• providing nutrients

• reproducing

• protecting it

• pollinating

Tags

NGSS.MS-LS2-2

What are the female reproductive parts of a flower?

• pistil, pollen tube, ovule

• stamen, petal, sepal

Lettuce is an example of a vegetable that has only the leaf structure.

• True

• False

Weather conditions that are not good for growing or dry soil may cause seeds to remain dormant, or inactive for days, weeks, or months.

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1